cc: Reduce command buffer flushes related to creating texture ids.

cc/trees/layer_tree_host_unittest_context.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/layer_tree_host.h"
 
 #include "base/basictypes.h"
 #include "cc/debug/test_context_provider.h"
 #include "cc/debug/test_web_graphics_context_3d.h"
 #include "cc/layers/content_layer.h"
@@ skipping 1072 matching lines @@
 class LayerTreeHostContextTestDontUseLostResources
     : public LayerTreeHostContextTest {
  public:
   LayerTreeHostContextTestDontUseLostResources()
       : lost_context_(false) {
     context_should_support_io_surface_ = true;
 
     child_output_surface_ = FakeOutputSurface::Create3d();
     child_output_surface_->BindToClient(&output_surface_client_);
     child_resource_provider_ =
-        ResourceProvider::Create(child_output_surface_.get(), NULL, 0, false);
+        ResourceProvider::Create(child_output_surface_.get(),
+                                 NULL,
+                                 0,
+                                 false,
+                                 1);
   }
 
   static void EmptyReleaseCallback(unsigned sync_point, bool lost) {}
 
   virtual void SetupTree() OVERRIDE {
     WebKit::WebGraphicsContext3D* context3d =
         child_output_surface_->context_provider()->Context3d();
 
     scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
 
@@ skipping 684 matching lines @@
     EXPECT_FALSE(layer_tree_host);
   }
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostTestCannotCreateIfCannotCreateOutputSurface);
 
 class UIResourceLostTest : public LayerTreeHostContextTest {
  public:
   UIResourceLostTest() : time_step_(0) {}
+  virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
+    settings->texture_id_allocation_chunk_size = 1;
+  }
   virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
   virtual void AfterTest() OVERRIDE {}
 
   // This is called on the main thread after each commit and
   // DidActivateTreeOnThread, with the value of time_step_ at the time
   // of the call to DidActivateTreeOnThread. Similar tests will do
   // work on the main thread in DidCommit but that is unsuitable because
   // the main thread work for these tests must happen after
   // DidActivateTreeOnThread, which happens after DidCommit with impl-side
   // painting.
@@ skipping 472 matching lines @@
  protected:
   FakeContentLayerClient client_;
   scoped_refptr<FakeContentLayer> layer_;
   int num_commits_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostContextTestSurfaceCreateCallback);
 
 }  // namespace
 }  // namespace cc